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Annotation of src/usr.bin/tmux/tty.c, Revision 1.176

1.176   ! nicm        1: /* $OpenBSD: tty.c,v 1.175 2015/04/15 22:34:46 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20: #include <sys/ioctl.h>
                     21:
1.106     nicm       22: #include <netinet/in.h>
                     23:
1.1       nicm       24: #include <errno.h>
                     25: #include <fcntl.h>
1.106     nicm       26: #include <resolv.h>
1.42      nicm       27: #include <stdlib.h>
1.1       nicm       28: #include <string.h>
                     29: #include <termios.h>
                     30: #include <unistd.h>
                     31:
                     32: #include "tmux.h"
                     33:
1.67      nicm       34: void   tty_read_callback(struct bufferevent *, void *);
1.66      nicm       35: void   tty_error_callback(struct bufferevent *, short, void *);
                     36:
1.1       nicm       37: int    tty_try_256(struct tty *, u_char, const char *);
                     38:
1.85      nicm       39: void   tty_colours(struct tty *, const struct grid_cell *);
                     40: void   tty_check_fg(struct tty *, struct grid_cell *);
                     41: void   tty_check_bg(struct tty *, struct grid_cell *);
                     42: void   tty_colours_fg(struct tty *, const struct grid_cell *);
1.73      nicm       43: void   tty_colours_bg(struct tty *, const struct grid_cell *);
1.1       nicm       44:
1.120     nicm       45: int    tty_large_region(struct tty *, const struct tty_ctx *);
1.176   ! nicm       46: int    tty_fake_bce(const struct tty *, const struct window_pane *);
1.24      nicm       47: void   tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13      nicm       48: void   tty_emulate_repeat(
                     49:            struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133     nicm       50: void   tty_repeat_space(struct tty *, u_int);
1.176   ! nicm       51: void   tty_cell(struct tty *, const struct grid_cell *,
        !            52:            const struct window_pane *);
        !            53: void   tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1       nicm       54:
1.90      nicm       55: #define tty_use_acs(tty) \
1.131     nicm       56:        (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90      nicm       57:
1.132     nicm       58: #define tty_pane_full_width(tty, ctx) \
                     59:        ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
                     60:
1.1       nicm       61: void
1.136     nicm       62: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1       nicm       63: {
1.30      nicm       64:        char    *path;
                     65:
                     66:        memset(tty, 0, sizeof *tty);
1.23      nicm       67:        tty->log_fd = -1;
1.22      nicm       68:
1.9       nicm       69:        if (term == NULL || *term == '\0')
1.1       nicm       70:                tty->termname = xstrdup("unknown");
                     71:        else
                     72:                tty->termname = xstrdup(term);
1.30      nicm       73:        tty->fd = fd;
1.136     nicm       74:        tty->client = c;
1.30      nicm       75:
                     76:        if ((path = ttyname(fd)) == NULL)
                     77:                fatalx("ttyname failed");
                     78:        tty->path = xstrdup(path);
1.108     nicm       79:        tty->cstyle = 0;
1.107     nicm       80:        tty->ccolour = xstrdup("");
1.30      nicm       81:
1.1       nicm       82:        tty->flags = 0;
                     83:        tty->term_flags = 0;
1.31      nicm       84: }
                     85:
1.88      nicm       86: int
1.31      nicm       87: tty_resize(struct tty *tty)
                     88: {
                     89:        struct winsize  ws;
1.88      nicm       90:        u_int           sx, sy;
1.31      nicm       91:
                     92:        if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88      nicm       93:                sx = ws.ws_col;
                     94:                if (sx == 0)
                     95:                        sx = 80;
                     96:                sy = ws.ws_row;
                     97:                if (sy == 0)
                     98:                        sy = 24;
                     99:        } else {
                    100:                sx = 80;
                    101:                sy = 24;
1.31      nicm      102:        }
1.114     nicm      103:        if (!tty_set_size(tty, sx, sy))
1.88      nicm      104:                return (0);
1.31      nicm      105:
                    106:        tty->cx = UINT_MAX;
                    107:        tty->cy = UINT_MAX;
                    108:
                    109:        tty->rupper = UINT_MAX;
                    110:        tty->rlower = UINT_MAX;
1.88      nicm      111:
                    112:        /*
                    113:         * If the terminal has been started, reset the actual scroll region and
                    114:         * cursor position, as this may not have happened.
                    115:         */
                    116:        if (tty->flags & TTY_STARTED) {
                    117:                tty_cursor(tty, 0, 0);
                    118:                tty_region(tty, 0, tty->sy - 1);
                    119:        }
                    120:
1.114     nicm      121:        return (1);
                    122: }
                    123:
                    124: int
                    125: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
                    126:        if (sx == tty->sx && sy == tty->sy)
                    127:                return (0);
                    128:        tty->sx = sx;
                    129:        tty->sy = sy;
1.88      nicm      130:        return (1);
1.1       nicm      131: }
                    132:
                    133: int
1.166     nicm      134: tty_open(struct tty *tty, char **cause)
1.1       nicm      135: {
1.88      nicm      136:        char    out[64];
1.30      nicm      137:        int     fd;
1.1       nicm      138:
1.30      nicm      139:        if (debug_level > 3) {
1.88      nicm      140:                xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
                    141:                fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30      nicm      142:                if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
                    143:                        fatal("fcntl failed");
                    144:                tty->log_fd = fd;
1.1       nicm      145:        }
                    146:
1.166     nicm      147:        tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21      nicm      148:        if (tty->term == NULL) {
                    149:                tty_close(tty);
                    150:                return (-1);
                    151:        }
                    152:        tty->flags |= TTY_OPENED;
1.1       nicm      153:
1.149     nicm      154:        tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1       nicm      155:
1.66      nicm      156:        tty->event = bufferevent_new(
1.67      nicm      157:            tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1       nicm      158:
                    159:        tty_start_tty(tty);
                    160:
1.148     nicm      161:        tty_keys_build(tty);
1.1       nicm      162:
                    163:        return (0);
                    164: }
                    165:
                    166: void
1.67      nicm      167: tty_read_callback(unused struct bufferevent *bufev, void *data)
                    168: {
                    169:        struct tty      *tty = data;
                    170:
                    171:        while (tty_keys_next(tty))
                    172:                ;
                    173: }
                    174:
                    175: void
1.66      nicm      176: tty_error_callback(
                    177:     unused struct bufferevent *bufev, unused short what, unused void *data)
                    178: {
                    179: }
                    180:
                    181: void
1.127     nicm      182: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1       nicm      183: {
1.128     nicm      184:        struct termios  tio;
1.33      nicm      185:
1.127     nicm      186:        if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33      nicm      187:                return;
1.1       nicm      188:
1.127     nicm      189:        setblocking(fd, 0);
1.34      nicm      190:
1.127     nicm      191:        if (bufev != NULL)
                    192:                bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66      nicm      193:
1.127     nicm      194:        memcpy(&tio, orig_tio, sizeof tio);
1.1       nicm      195:        tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
                    196:        tio.c_iflag |= IGNBRK;
                    197:        tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
                    198:        tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169     jsg       199:            ECHOPRT|ECHOKE|ISIG);
1.1       nicm      200:        tio.c_cc[VMIN] = 1;
1.60      deraadt   201:        tio.c_cc[VTIME] = 0;
1.127     nicm      202:        if (tcsetattr(fd, TCSANOW, &tio) == 0)
                    203:                tcflush(fd, TCIOFLUSH);
                    204: }
                    205:
                    206: void
                    207: tty_start_tty(struct tty *tty)
                    208: {
                    209:        tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1       nicm      210:
1.10      nicm      211:        tty_putcode(tty, TTYC_SMCUP);
1.1       nicm      212:
1.25      nicm      213:        tty_putcode(tty, TTYC_SGR0);
                    214:        memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
                    215:
1.76      nicm      216:        tty_putcode(tty, TTYC_RMKX);
1.90      nicm      217:        if (tty_use_acs(tty))
                    218:                tty_putcode(tty, TTYC_ENACS);
1.1       nicm      219:        tty_putcode(tty, TTYC_CLEAR);
                    220:
                    221:        tty_putcode(tty, TTYC_CNORM);
                    222:        if (tty_term_has(tty->term, TTYC_KMOUS))
1.153     nicm      223:                tty_puts(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.121     nicm      224:
1.162     nicm      225:        if (tty_term_has(tty->term, TTYC_XT)) {
                    226:                if (options_get_number(&global_options, "focus-events")) {
                    227:                        tty->flags |= TTY_FOCUS;
                    228:                        tty_puts(tty, "\033[?1004h");
                    229:                }
1.163     nicm      230:                tty_puts(tty, "\033[c");
1.162     nicm      231:        }
1.1       nicm      232:
                    233:        tty->cx = UINT_MAX;
                    234:        tty->cy = UINT_MAX;
                    235:
                    236:        tty->rlower = UINT_MAX;
                    237:        tty->rupper = UINT_MAX;
                    238:
                    239:        tty->mode = MODE_CURSOR;
1.20      nicm      240:
                    241:        tty->flags |= TTY_STARTED;
1.107     nicm      242:
                    243:        tty_force_cursor_colour(tty, "");
1.145     nicm      244: }
                    245:
                    246: void
                    247: tty_set_class(struct tty *tty, u_int class)
                    248: {
                    249:        if (tty->class != 0)
                    250:                return;
                    251:        tty->class = class;
1.128     nicm      252: }
                    253:
                    254: void
1.1       nicm      255: tty_stop_tty(struct tty *tty)
                    256: {
                    257:        struct winsize  ws;
                    258:
1.20      nicm      259:        if (!(tty->flags & TTY_STARTED))
                    260:                return;
                    261:        tty->flags &= ~TTY_STARTED;
                    262:
1.66      nicm      263:        bufferevent_disable(tty->event, EV_READ|EV_WRITE);
                    264:
1.1       nicm      265:        /*
                    266:         * Be flexible about error handling and try not kill the server just
                    267:         * because the fd is invalid. Things like ssh -t can easily leave us
                    268:         * with a dead tty.
                    269:         */
                    270:        if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
                    271:                return;
                    272:        if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
                    273:                return;
                    274:
                    275:        tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90      nicm      276:        if (tty_use_acs(tty))
                    277:                tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1       nicm      278:        tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
                    279:        tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
                    280:        tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160     nicm      281:        if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
                    282:                if (tty_term_has(tty->term, TTYC_SE))
                    283:                        tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109     nicm      284:                else
1.160     nicm      285:                        tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108     nicm      286:        }
1.173     nicm      287:        if (tty->mode & MODE_BRACKETPASTE)
                    288:                tty_raw(tty, "\033[?2004l");
1.107     nicm      289:        tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1       nicm      290:
                    291:        tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
                    292:        if (tty_term_has(tty->term, TTYC_KMOUS))
1.153     nicm      293:                tty_raw(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.151     nicm      294:
1.162     nicm      295:        if (tty_term_has(tty->term, TTYC_XT)) {
                    296:                if (tty->flags & TTY_FOCUS) {
                    297:                        tty->flags &= ~TTY_FOCUS;
1.172     nicm      298:                        tty_raw(tty, "\033[?1004l");
1.162     nicm      299:                }
                    300:        }
1.10      nicm      301:
                    302:        tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150     nicm      303:
                    304:        setblocking(tty->fd, 1);
1.1       nicm      305: }
                    306:
                    307: void
1.20      nicm      308: tty_close(struct tty *tty)
1.1       nicm      309: {
                    310:        if (tty->log_fd != -1) {
                    311:                close(tty->log_fd);
                    312:                tty->log_fd = -1;
                    313:        }
                    314:
1.123     nicm      315:        if (event_initialized(&tty->key_timer))
                    316:                evtimer_del(&tty->key_timer);
1.20      nicm      317:        tty_stop_tty(tty);
1.1       nicm      318:
1.21      nicm      319:        if (tty->flags & TTY_OPENED) {
1.66      nicm      320:                bufferevent_free(tty->event);
                    321:
1.21      nicm      322:                tty_term_free(tty->term);
                    323:                tty_keys_free(tty);
                    324:
                    325:                tty->flags &= ~TTY_OPENED;
                    326:        }
1.1       nicm      327:
1.21      nicm      328:        if (tty->fd != -1) {
                    329:                close(tty->fd);
                    330:                tty->fd = -1;
                    331:        }
1.1       nicm      332: }
                    333:
                    334: void
1.20      nicm      335: tty_free(struct tty *tty)
1.1       nicm      336: {
1.20      nicm      337:        tty_close(tty);
1.1       nicm      338:
1.138     nicm      339:        free(tty->ccolour);
1.1       nicm      340:        if (tty->path != NULL)
1.138     nicm      341:                free(tty->path);
1.1       nicm      342:        if (tty->termname != NULL)
1.138     nicm      343:                free(tty->termname);
1.1       nicm      344: }
                    345:
                    346: void
                    347: tty_raw(struct tty *tty, const char *s)
                    348: {
1.150     nicm      349:        ssize_t n, slen;
                    350:        u_int   i;
                    351:
                    352:        slen = strlen(s);
                    353:        for (i = 0; i < 5; i++) {
                    354:                n = write(tty->fd, s, slen);
                    355:                if (n >= 0) {
                    356:                        s += n;
                    357:                        slen -= n;
                    358:                        if (slen == 0)
                    359:                                break;
                    360:                } else if (n == -1 && errno != EAGAIN)
                    361:                        break;
                    362:                usleep(100);
                    363:        }
1.1       nicm      364: }
                    365:
                    366: void
                    367: tty_putcode(struct tty *tty, enum tty_code_code code)
                    368: {
                    369:        tty_puts(tty, tty_term_string(tty->term, code));
                    370: }
                    371:
                    372: void
                    373: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
                    374: {
                    375:        if (a < 0)
                    376:                return;
                    377:        tty_puts(tty, tty_term_string1(tty->term, code, a));
                    378: }
                    379:
                    380: void
                    381: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
                    382: {
                    383:        if (a < 0 || b < 0)
                    384:                return;
                    385:        tty_puts(tty, tty_term_string2(tty->term, code, a, b));
                    386: }
                    387:
                    388: void
1.107     nicm      389: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
                    390: {
                    391:        if (a != NULL)
                    392:                tty_puts(tty, tty_term_ptr1(tty->term, code, a));
                    393: }
                    394:
                    395: void
1.167     nicm      396: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
                    397:     const void *b)
1.106     nicm      398: {
                    399:        if (a != NULL && b != NULL)
                    400:                tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
                    401: }
                    402:
                    403: void
1.1       nicm      404: tty_puts(struct tty *tty, const char *s)
                    405: {
                    406:        if (*s == '\0')
                    407:                return;
1.66      nicm      408:        bufferevent_write(tty->event, s, strlen(s));
1.1       nicm      409:
                    410:        if (tty->log_fd != -1)
                    411:                write(tty->log_fd, s, strlen(s));
                    412: }
                    413:
                    414: void
                    415: tty_putc(struct tty *tty, u_char ch)
                    416: {
1.90      nicm      417:        const char      *acs;
                    418:        u_int            sx;
1.1       nicm      419:
1.90      nicm      420:        if (tty->cell.attr & GRID_ATTR_CHARSET) {
                    421:                acs = tty_acs_get(tty, ch);
                    422:                if (acs != NULL)
                    423:                        bufferevent_write(tty->event, acs, strlen(acs));
                    424:                else
                    425:                        bufferevent_write(tty->event, &ch, 1);
                    426:        } else
                    427:                bufferevent_write(tty->event, &ch, 1);
1.1       nicm      428:
                    429:        if (ch >= 0x20 && ch != 0x7f) {
                    430:                sx = tty->sx;
                    431:                if (tty->term->flags & TERM_EARLYWRAP)
                    432:                        sx--;
                    433:
1.46      nicm      434:                if (tty->cx >= sx) {
                    435:                        tty->cx = 1;
                    436:                        if (tty->cy != tty->rlower)
                    437:                                tty->cy++;
1.1       nicm      438:                } else
                    439:                        tty->cx++;
                    440:        }
                    441:
                    442:        if (tty->log_fd != -1)
                    443:                write(tty->log_fd, &ch, 1);
                    444: }
                    445:
                    446: void
1.147     nicm      447: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5       nicm      448: {
1.147     nicm      449:        bufferevent_write(tty->event, buf, len);
1.71      nicm      450:        if (tty->log_fd != -1)
1.147     nicm      451:                write(tty->log_fd, buf, len);
                    452:        tty->cx += width;
1.5       nicm      453: }
                    454:
                    455: void
1.1       nicm      456: tty_set_title(struct tty *tty, const char *title)
                    457: {
1.105     nicm      458:        if (!tty_term_has(tty->term, TTYC_TSL) ||
                    459:            !tty_term_has(tty->term, TTYC_FSL))
1.1       nicm      460:                return;
                    461:
1.105     nicm      462:        tty_putcode(tty, TTYC_TSL);
1.1       nicm      463:        tty_puts(tty, title);
1.105     nicm      464:        tty_putcode(tty, TTYC_FSL);
1.1       nicm      465: }
                    466:
                    467: void
1.107     nicm      468: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
                    469: {
                    470:        if (*ccolour == '\0')
                    471:                tty_putcode(tty, TTYC_CR);
                    472:        else
1.160     nicm      473:                tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138     nicm      474:        free(tty->ccolour);
1.107     nicm      475:        tty->ccolour = xstrdup(ccolour);
                    476: }
                    477:
                    478: void
                    479: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1       nicm      480: {
                    481:        int     changed;
                    482:
1.107     nicm      483:        if (strcmp(s->ccolour, tty->ccolour))
                    484:                tty_force_cursor_colour(tty, s->ccolour);
                    485:
1.1       nicm      486:        if (tty->flags & TTY_NOCURSOR)
                    487:                mode &= ~MODE_CURSOR;
                    488:
                    489:        changed = mode ^ tty->mode;
1.171     nicm      490:        if (changed & (MODE_CURSOR|MODE_BLINKING)) {
                    491:                if (mode & MODE_CURSOR) {
                    492:                        if (mode & MODE_BLINKING &&
                    493:                            tty_term_has(tty->term, TTYC_CVVIS))
                    494:                                tty_putcode(tty, TTYC_CVVIS);
                    495:                        else
                    496:                                tty_putcode(tty, TTYC_CNORM);
                    497:                } else
1.1       nicm      498:                        tty_putcode(tty, TTYC_CIVIS);
1.108     nicm      499:        }
                    500:        if (tty->cstyle != s->cstyle) {
1.160     nicm      501:                if (tty_term_has(tty->term, TTYC_SS)) {
1.108     nicm      502:                        if (s->cstyle == 0 &&
1.160     nicm      503:                            tty_term_has(tty->term, TTYC_SE))
                    504:                                tty_putcode(tty, TTYC_SE);
1.108     nicm      505:                        else
1.160     nicm      506:                                tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108     nicm      507:                }
                    508:                tty->cstyle = s->cstyle;
1.1       nicm      509:        }
1.154     nicm      510:        if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94      nicm      511:                if (mode & ALL_MOUSE_MODES) {
1.153     nicm      512:                        /*
                    513:                         * Enable the UTF-8 (1005) extension if configured to.
                    514:                         * Enable the SGR (1006) extension unconditionally, as
                    515:                         * this is safe from misinterpretation. Do it in this
                    516:                         * order, because in some terminals it's the last one
                    517:                         * that takes effect and SGR is the preferred one.
                    518:                         */
1.95      nicm      519:                        if (mode & MODE_MOUSE_UTF8)
                    520:                                tty_puts(tty, "\033[?1005h");
1.154     nicm      521:                        else
                    522:                                tty_puts(tty, "\033[?1005l");
1.153     nicm      523:                        tty_puts(tty, "\033[?1006h");
                    524:
1.170     nicm      525:                        if (mode & MODE_MOUSE_BUTTON)
1.94      nicm      526:                                tty_puts(tty, "\033[?1002h");
1.98      nicm      527:                        else if (mode & MODE_MOUSE_STANDARD)
                    528:                                tty_puts(tty, "\033[?1000h");
1.86      nicm      529:                } else {
1.170     nicm      530:                        if (tty->mode & MODE_MOUSE_BUTTON)
1.94      nicm      531:                                tty_puts(tty, "\033[?1002l");
1.98      nicm      532:                        else if (tty->mode & MODE_MOUSE_STANDARD)
                    533:                                tty_puts(tty, "\033[?1000l");
1.153     nicm      534:
                    535:                        tty_puts(tty, "\033[?1006l");
1.95      nicm      536:                        if (tty->mode & MODE_MOUSE_UTF8)
                    537:                                tty_puts(tty, "\033[?1005l");
1.86      nicm      538:                }
1.76      nicm      539:        }
                    540:        if (changed & MODE_KKEYPAD) {
                    541:                if (mode & MODE_KKEYPAD)
                    542:                        tty_putcode(tty, TTYC_SMKX);
                    543:                else
                    544:                        tty_putcode(tty, TTYC_RMKX);
1.115     nicm      545:        }
                    546:        if (changed & MODE_BRACKETPASTE) {
                    547:                if (mode & MODE_BRACKETPASTE)
                    548:                        tty_puts(tty, "\033[?2004h");
                    549:                else
                    550:                        tty_puts(tty, "\033[?2004l");
1.1       nicm      551:        }
                    552:        tty->mode = mode;
                    553: }
                    554:
                    555: void
1.168     nicm      556: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
                    557:     enum tty_code_code code1, u_int n)
1.1       nicm      558: {
                    559:        if (tty_term_has(tty->term, code))
                    560:                tty_putcode1(tty, code, n);
                    561:        else {
                    562:                while (n-- > 0)
                    563:                        tty_putcode(tty, code1);
                    564:        }
                    565: }
                    566:
1.133     nicm      567: void
                    568: tty_repeat_space(struct tty *tty, u_int n)
                    569: {
                    570:        while (n-- > 0)
                    571:                tty_putc(tty, ' ');
                    572: }
                    573:
1.1       nicm      574: /*
1.119     nicm      575:  * Is the region large enough to be worth redrawing once later rather than
                    576:  * probably several times now? Currently yes if it is more than 50% of the
                    577:  * pane.
                    578:  */
                    579: int
                    580: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
                    581: {
                    582:        struct window_pane      *wp = ctx->wp;
                    583:
                    584:        return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
                    585: }
                    586:
                    587: /*
1.176   ! nicm      588:  * Return if BCE is needed but the terminal doesn't have it - it'll need to be
        !           589:  * emulated.
        !           590:  */
        !           591: int
        !           592: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
        !           593: {
        !           594:        struct grid_cell        gc;
        !           595:
        !           596:        memcpy(&gc, &grid_default_cell, sizeof gc);
        !           597:        tty_default_colours(&gc, wp);
        !           598:
        !           599:        if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
        !           600:                return (0);
        !           601:        return (!tty_term_flag(tty->term, TTYC_BCE));
        !           602: }
        !           603:
        !           604: /*
1.1       nicm      605:  * Redraw scroll region using data from screen (already updated). Used when
                    606:  * CSR not supported, or window is a pane that doesn't take up the full
                    607:  * width of the terminal.
                    608:  */
                    609: void
1.24      nicm      610: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      611: {
1.14      nicm      612:        struct window_pane      *wp = ctx->wp;
                    613:        struct screen           *s = wp->screen;
                    614:        u_int                    i;
1.1       nicm      615:
                    616:        /*
1.119     nicm      617:         * If region is large, schedule a window redraw. In most cases this is
                    618:         * likely to be followed by some more scrolling.
1.1       nicm      619:         */
1.119     nicm      620:        if (tty_large_region(tty, ctx)) {
1.1       nicm      621:                wp->flags |= PANE_REDRAW;
                    622:                return;
                    623:        }
                    624:
1.14      nicm      625:        if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
                    626:                for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176   ! nicm      627:                        tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1       nicm      628:        } else {
1.14      nicm      629:                for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176   ! nicm      630:                        tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1       nicm      631:        }
                    632: }
                    633:
                    634: void
1.176   ! nicm      635: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
        !           636:     u_int oy)
        !           637: {
        !           638:        tty_draw_line(tty, wp, wp->screen, py, ox, oy);
        !           639: }
        !           640:
        !           641: void
        !           642: tty_draw_line(struct tty *tty, const struct window_pane *wp,
        !           643:     struct screen *s, u_int py, u_int ox, u_int oy)
1.1       nicm      644: {
                    645:        const struct grid_cell  *gc;
1.46      nicm      646:        struct grid_line        *gl;
1.16      nicm      647:        struct grid_cell         tmpgc;
1.147     nicm      648:        struct utf8_data         ud;
1.1       nicm      649:        u_int                    i, sx;
                    650:
1.107     nicm      651:        tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35      nicm      652:
1.1       nicm      653:        sx = screen_size_x(s);
1.19      nicm      654:        if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
                    655:                sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1       nicm      656:        if (sx > tty->sx)
                    657:                sx = tty->sx;
                    658:
1.46      nicm      659:        /*
1.174     nicm      660:         * Don't move the cursor to the start position if it will wrap there
1.50      nicm      661:         * itself.
1.46      nicm      662:         */
                    663:        gl = NULL;
                    664:        if (py != 0)
                    665:                gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83      nicm      666:        if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47      nicm      667:            tty->cx < tty->sx || ox != 0 ||
                    668:            (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46      nicm      669:                tty_cursor(tty, ox, oy + py);
                    670:
1.1       nicm      671:        for (i = 0; i < sx; i++) {
                    672:                gc = grid_view_peek_cell(s->grid, i, py);
                    673:                if (screen_check_selection(s, i, py)) {
1.16      nicm      674:                        memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147     nicm      675:                        grid_cell_get(gc, &ud);
                    676:                        grid_cell_set(&tmpgc, &ud);
1.77      nicm      677:                        tmpgc.flags = gc->flags &
1.38      nicm      678:                            ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
                    679:                        tmpgc.flags |= s->sel.cell.flags &
                    680:                            (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.176   ! nicm      681:                        tty_cell(tty, &tmpgc, wp);
1.1       nicm      682:                } else
1.176   ! nicm      683:                        tty_cell(tty, gc, wp);
1.1       nicm      684:        }
                    685:
1.35      nicm      686:        if (sx >= tty->sx) {
1.107     nicm      687:                tty_update_mode(tty, tty->mode, s);
1.1       nicm      688:                return;
1.35      nicm      689:        }
1.176   ! nicm      690:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      691:
1.41      nicm      692:        tty_cursor(tty, ox + sx, oy + py);
1.126     nicm      693:        if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.176   ! nicm      694:            tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1       nicm      695:                tty_putcode(tty, TTYC_EL);
1.133     nicm      696:        else
                    697:                tty_repeat_space(tty, screen_size_x(s) - sx);
1.107     nicm      698:        tty_update_mode(tty, tty->mode, s);
1.15      nicm      699: }
                    700:
                    701: void
1.113     nicm      702: tty_write(
                    703:     void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15      nicm      704: {
                    705:        struct window_pane      *wp = ctx->wp;
                    706:        struct client           *c;
                    707:        u_int                    i;
                    708:
1.75      nicm      709:        /* wp can be NULL if updating the screen but not the terminal. */
1.15      nicm      710:        if (wp == NULL)
                    711:                return;
                    712:
                    713:        if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
                    714:                return;
1.129     nicm      715:        if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15      nicm      716:                return;
                    717:
                    718:        for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
                    719:                c = ARRAY_ITEM(&clients, i);
1.139     nicm      720:                if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15      nicm      721:                        continue;
1.142     nicm      722:                if (c->flags & CLIENT_SUSPENDED)
                    723:                        continue;
                    724:                if (c->tty.flags & TTY_FREEZE)
1.139     nicm      725:                        continue;
                    726:                if (c->session->curw->window != wp->window)
1.15      nicm      727:                        continue;
                    728:
1.139     nicm      729:                ctx->xoff = wp->xoff;
                    730:                ctx->yoff = wp->yoff;
                    731:                if (status_at_line(c) == 0)
                    732:                        ctx->yoff++;
1.113     nicm      733:
1.139     nicm      734:                cmdfn(&c->tty, ctx);
1.1       nicm      735:        }
                    736: }
                    737:
                    738: void
1.24      nicm      739: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      740: {
1.77      nicm      741:        struct window_pane      *wp = ctx->wp;
1.1       nicm      742:
1.135     nicm      743:        if (!tty_pane_full_width(tty, ctx)) {
1.176   ! nicm      744:                tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1       nicm      745:                return;
                    746:        }
                    747:
1.176   ! nicm      748:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      749:
1.77      nicm      750:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41      nicm      751:
1.176   ! nicm      752:        if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
        !           753:            tty_term_has(tty->term, TTYC_ICH1)))
1.12      nicm      754:                tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134     nicm      755:        else
1.176   ! nicm      756:                tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1       nicm      757: }
                    758:
                    759: void
1.24      nicm      760: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      761: {
1.77      nicm      762:        struct window_pane      *wp = ctx->wp;
1.1       nicm      763:
1.176   ! nicm      764:        if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26      nicm      765:            (!tty_term_has(tty->term, TTYC_DCH) &&
                    766:            !tty_term_has(tty->term, TTYC_DCH1))) {
1.176   ! nicm      767:                tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1       nicm      768:                return;
                    769:        }
                    770:
1.176   ! nicm      771:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      772:
1.77      nicm      773:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41      nicm      774:
1.26      nicm      775:        if (tty_term_has(tty->term, TTYC_DCH) ||
                    776:            tty_term_has(tty->term, TTYC_DCH1))
                    777:                tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146     nicm      778: }
                    779:
                    780: void
                    781: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
                    782: {
                    783:        u_int   i;
                    784:
1.176   ! nicm      785:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146     nicm      786:
                    787:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
                    788:
1.176   ! nicm      789:        if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146     nicm      790:                tty_putcode1(tty, TTYC_ECH, ctx->num);
                    791:        else {
                    792:                for (i = 0; i < ctx->num; i++)
                    793:                        tty_putc(tty, ' ');
                    794:        }
1.1       nicm      795: }
                    796:
                    797: void
1.24      nicm      798: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      799: {
1.176   ! nicm      800:        if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77      nicm      801:            !tty_term_has(tty->term, TTYC_CSR) ||
1.72      nicm      802:            !tty_term_has(tty->term, TTYC_IL1)) {
1.14      nicm      803:                tty_redraw_region(tty, ctx);
1.1       nicm      804:                return;
                    805:        }
                    806:
1.176   ! nicm      807:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1       nicm      808:
1.77      nicm      809:        tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
                    810:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1       nicm      811:
1.12      nicm      812:        tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1       nicm      813: }
                    814:
                    815: void
1.24      nicm      816: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      817: {
1.176   ! nicm      818:        if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72      nicm      819:            !tty_term_has(tty->term, TTYC_CSR) ||
                    820:            !tty_term_has(tty->term, TTYC_DL1)) {
1.14      nicm      821:                tty_redraw_region(tty, ctx);
1.1       nicm      822:                return;
                    823:        }
                    824:
1.176   ! nicm      825:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1       nicm      826:
1.77      nicm      827:        tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
                    828:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1       nicm      829:
1.12      nicm      830:        tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1       nicm      831: }
                    832:
                    833: void
1.24      nicm      834: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      835: {
1.77      nicm      836:        struct window_pane      *wp = ctx->wp;
1.12      nicm      837:        struct screen           *s = wp->screen;
1.1       nicm      838:
1.176   ! nicm      839:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      840:
1.77      nicm      841:        tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41      nicm      842:
1.176   ! nicm      843:        if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
        !           844:            tty_term_has(tty->term, TTYC_EL))
1.1       nicm      845:                tty_putcode(tty, TTYC_EL);
1.133     nicm      846:        else
                    847:                tty_repeat_space(tty, screen_size_x(s));
1.1       nicm      848: }
                    849:
                    850: void
1.24      nicm      851: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      852: {
1.77      nicm      853:        struct window_pane      *wp = ctx->wp;
1.12      nicm      854:        struct screen           *s = wp->screen;
1.1       nicm      855:
1.176   ! nicm      856:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      857:
1.41      nicm      858:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
                    859:
1.176   ! nicm      860:        if (tty_pane_full_width(tty, ctx) &&
        !           861:            tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1       nicm      862:                tty_putcode(tty, TTYC_EL);
1.133     nicm      863:        else
                    864:                tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1       nicm      865: }
                    866:
                    867: void
1.24      nicm      868: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      869: {
1.176   ! nicm      870:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1       nicm      871:
1.176   ! nicm      872:        if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
        !           873:            !tty_fake_bce(tty, ctx->wp)) {
1.41      nicm      874:                tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1       nicm      875:                tty_putcode(tty, TTYC_EL1);
                    876:        } else {
1.41      nicm      877:                tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133     nicm      878:                tty_repeat_space(tty, ctx->ocx + 1);
1.1       nicm      879:        }
                    880: }
                    881:
                    882: void
1.24      nicm      883: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      884: {
1.56      nicm      885:        if (ctx->ocy != ctx->orupper)
                    886:                return;
                    887:
1.176   ! nicm      888:        if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70      nicm      889:            !tty_term_has(tty->term, TTYC_CSR) ||
                    890:            !tty_term_has(tty->term, TTYC_RI)) {
1.14      nicm      891:                tty_redraw_region(tty, ctx);
1.1       nicm      892:                return;
                    893:        }
                    894:
1.176   ! nicm      895:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77      nicm      896:
1.56      nicm      897:        tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
                    898:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77      nicm      899:
1.56      nicm      900:        tty_putcode(tty, TTYC_RI);
1.1       nicm      901: }
                    902:
                    903: void
1.24      nicm      904: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      905: {
1.77      nicm      906:        struct window_pane      *wp = ctx->wp;
1.1       nicm      907:
1.56      nicm      908:        if (ctx->ocy != ctx->orlower)
                    909:                return;
                    910:
1.176   ! nicm      911:        if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1       nicm      912:            !tty_term_has(tty->term, TTYC_CSR)) {
1.128     nicm      913:                if (tty_large_region(tty, ctx))
                    914:                        wp->flags |= PANE_REDRAW;
1.140     nicm      915:                else
1.128     nicm      916:                        tty_redraw_region(tty, ctx);
1.1       nicm      917:                return;
                    918:        }
1.52      nicm      919:
                    920:        /*
                    921:         * If this line wrapped naturally (ctx->num is nonzero), don't do
                    922:         * anything - the cursor can just be moved to the last cell and wrap
                    923:         * naturally.
                    924:         */
                    925:        if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
                    926:                return;
1.1       nicm      927:
1.176   ! nicm      928:        tty_attributes(tty, &grid_default_cell, wp);
1.77      nicm      929:
1.56      nicm      930:        tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
                    931:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77      nicm      932:
1.56      nicm      933:        tty_putc(tty, '\n');
1.1       nicm      934: }
                    935:
                    936: void
1.24      nicm      937: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      938: {
1.77      nicm      939:        struct window_pane      *wp = ctx->wp;
1.12      nicm      940:        struct screen           *s = wp->screen;
                    941:        u_int                    i, j;
1.1       nicm      942:
1.176   ! nicm      943:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      944:
1.39      nicm      945:        tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41      nicm      946:        tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39      nicm      947:
1.176   ! nicm      948:        if (tty_pane_full_width(tty, ctx) &&
        !           949:            tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1       nicm      950:                tty_putcode(tty, TTYC_EL);
1.14      nicm      951:                if (ctx->ocy != screen_size_y(s) - 1) {
1.41      nicm      952:                        tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14      nicm      953:                        for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1       nicm      954:                                tty_putcode(tty, TTYC_EL);
                    955:                                if (i == screen_size_y(s) - 1)
                    956:                                        continue;
                    957:                                tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
                    958:                                tty->cy++;
                    959:                        }
                    960:                }
                    961:        } else {
1.133     nicm      962:                tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68      nicm      963:                for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41      nicm      964:                        tty_cursor_pane(tty, ctx, 0, j);
1.133     nicm      965:                        tty_repeat_space(tty, screen_size_x(s));
1.1       nicm      966:                }
                    967:        }
                    968: }
                    969:
                    970: void
1.24      nicm      971: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm      972: {
1.77      nicm      973:        struct window_pane      *wp = ctx->wp;
1.12      nicm      974:        struct screen           *s = wp->screen;
                    975:        u_int                    i, j;
1.1       nicm      976:
1.176   ! nicm      977:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm      978:
1.39      nicm      979:        tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41      nicm      980:        tty_cursor_pane(tty, ctx, 0, 0);
1.39      nicm      981:
1.176   ! nicm      982:        if (tty_pane_full_width(tty, ctx) &&
        !           983:            tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14      nicm      984:                for (i = 0; i < ctx->ocy; i++) {
1.1       nicm      985:                        tty_putcode(tty, TTYC_EL);
                    986:                        tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
                    987:                        tty->cy++;
                    988:                }
                    989:        } else {
1.14      nicm      990:                for (j = 0; j < ctx->ocy; j++) {
1.41      nicm      991:                        tty_cursor_pane(tty, ctx, 0, j);
1.133     nicm      992:                        tty_repeat_space(tty, screen_size_x(s));
1.1       nicm      993:                }
                    994:        }
1.133     nicm      995:        tty_repeat_space(tty, ctx->ocx + 1);
1.1       nicm      996: }
                    997:
                    998: void
1.24      nicm      999: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm     1000: {
1.77      nicm     1001:        struct window_pane      *wp = ctx->wp;
1.12      nicm     1002:        struct screen           *s = wp->screen;
                   1003:        u_int                    i, j;
1.1       nicm     1004:
1.176   ! nicm     1005:        tty_attributes(tty, &grid_default_cell, wp);
1.1       nicm     1006:
1.39      nicm     1007:        tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41      nicm     1008:        tty_cursor_pane(tty, ctx, 0, 0);
1.39      nicm     1009:
1.176   ! nicm     1010:        if (tty_pane_full_width(tty, ctx) &&
        !          1011:            tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1       nicm     1012:                for (i = 0; i < screen_size_y(s); i++) {
                   1013:                        tty_putcode(tty, TTYC_EL);
                   1014:                        if (i != screen_size_y(s) - 1) {
                   1015:                                tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
                   1016:                                tty->cy++;
                   1017:                        }
                   1018:                }
                   1019:        } else {
                   1020:                for (j = 0; j < screen_size_y(s); j++) {
1.41      nicm     1021:                        tty_cursor_pane(tty, ctx, 0, j);
1.133     nicm     1022:                        tty_repeat_space(tty, screen_size_x(s));
1.1       nicm     1023:                }
1.4       nicm     1024:        }
                   1025: }
                   1026:
                   1027: void
1.24      nicm     1028: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4       nicm     1029: {
1.12      nicm     1030:        struct window_pane      *wp = ctx->wp;
                   1031:        struct screen           *s = wp->screen;
                   1032:        u_int                    i, j;
1.4       nicm     1033:
1.176   ! nicm     1034:        tty_attributes(tty, &grid_default_cell, wp);
1.4       nicm     1035:
1.39      nicm     1036:        tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4       nicm     1037:
                   1038:        for (j = 0; j < screen_size_y(s); j++) {
1.41      nicm     1039:                tty_cursor_pane(tty, ctx, 0, j);
1.4       nicm     1040:                for (i = 0; i < screen_size_x(s); i++)
                   1041:                        tty_putc(tty, 'E');
1.1       nicm     1042:        }
                   1043: }
                   1044:
                   1045: void
1.24      nicm     1046: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm     1047: {
1.46      nicm     1048:        struct window_pane      *wp = ctx->wp;
                   1049:        struct screen           *s = wp->screen;
1.58      nicm     1050:        u_int                    cx;
1.102     nicm     1051:        u_int                    width;
1.46      nicm     1052:
                   1053:        tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
                   1054:
1.57      nicm     1055:        /* Is the cursor in the very last position? */
1.147     nicm     1056:        width = grid_cell_width(ctx->cell);
1.102     nicm     1057:        if (ctx->ocx > wp->sx - width) {
1.113     nicm     1058:                if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57      nicm     1059:                        /*
                   1060:                         * The pane doesn't fill the entire line, the linefeed
                   1061:                         * will already have happened, so just move the cursor.
                   1062:                         */
1.125     nicm     1063:                        if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122     nicm     1064:                                tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
                   1065:                        else
                   1066:                                tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57      nicm     1067:                } else if (tty->cx < tty->sx) {
                   1068:                        /*
                   1069:                         * The cursor isn't in the last position already, so
1.102     nicm     1070:                         * move as far left as possible and redraw the last
1.57      nicm     1071:                         * cell to move into the last position.
                   1072:                         */
1.147     nicm     1073:                        cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50      nicm     1074:                        tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176   ! nicm     1075:                        tty_cell(tty, &ctx->last_cell, wp);
1.50      nicm     1076:                }
                   1077:        } else
1.46      nicm     1078:                tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1       nicm     1079:
1.176   ! nicm     1080:        tty_cell(tty, ctx->cell, wp);
1.1       nicm     1081: }
                   1082:
                   1083: void
1.24      nicm     1084: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1       nicm     1085: {
1.53      nicm     1086:        struct window_pane      *wp = ctx->wp;
1.1       nicm     1087:
1.53      nicm     1088:        /*
                   1089:         * Cannot rely on not being a partial character, so just redraw the
                   1090:         * whole line.
                   1091:         */
1.176   ! nicm     1092:        tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106     nicm     1093: }
                   1094:
                   1095: void
                   1096: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
                   1097: {
                   1098:        char    *buf;
                   1099:        size_t   off;
                   1100:
                   1101:        if (!tty_term_has(tty->term, TTYC_MS))
                   1102:                return;
                   1103:
                   1104:        off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
                   1105:        buf = xmalloc(off);
                   1106:
                   1107:        b64_ntop(ctx->ptr, ctx->num, buf, off);
                   1108:        tty_putcode_ptr2(tty, TTYC_MS, "", buf);
                   1109:
1.138     nicm     1110:        free(buf);
1.100     nicm     1111: }
                   1112:
                   1113: void
                   1114: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
                   1115: {
                   1116:        u_int    i;
                   1117:        u_char  *str = ctx->ptr;
                   1118:
                   1119:        for (i = 0; i < ctx->num; i++)
                   1120:                tty_putc(tty, str[i]);
1.141     nicm     1121:
                   1122:        tty->cx = tty->cy = UINT_MAX;
                   1123:        tty->rupper = tty->rlower = UINT_MAX;
                   1124:
1.176   ! nicm     1125:        tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141     nicm     1126:        tty_cursor(tty, 0, 0);
1.1       nicm     1127: }
                   1128:
                   1129: void
1.176   ! nicm     1130: tty_cell(struct tty *tty, const struct grid_cell *gc,
        !          1131:     const struct window_pane *wp)
1.1       nicm     1132: {
1.147     nicm     1133:        struct utf8_data        ud;
                   1134:        u_int                   i;
1.1       nicm     1135:
                   1136:        /* Skip last character if terminal is stupid. */
                   1137:        if (tty->term->flags & TERM_EARLYWRAP &&
                   1138:            tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
                   1139:                return;
                   1140:
                   1141:        /* If this is a padding character, do nothing. */
                   1142:        if (gc->flags & GRID_FLAG_PADDING)
                   1143:                return;
                   1144:
                   1145:        /* Set the attributes. */
1.176   ! nicm     1146:        tty_attributes(tty, gc, wp);
1.1       nicm     1147:
1.147     nicm     1148:        /* Get the cell and if ASCII write with putc to do ACS translation. */
                   1149:        grid_cell_get(gc, &ud);
                   1150:        if (ud.size == 1) {
                   1151:                if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1       nicm     1152:                        return;
1.147     nicm     1153:                tty_putc(tty, *ud.data);
1.1       nicm     1154:                return;
                   1155:        }
                   1156:
1.147     nicm     1157:        /* If not UTF-8, write _. */
1.1       nicm     1158:        if (!(tty->flags & TTY_UTF8)) {
1.147     nicm     1159:                for (i = 0; i < ud.width; i++)
1.1       nicm     1160:                        tty_putc(tty, '_');
                   1161:                return;
                   1162:        }
                   1163:
1.147     nicm     1164:        /* Write the data. */
                   1165:        tty_putn(tty, ud.data, ud.size, ud.width);
1.1       nicm     1166: }
                   1167:
                   1168: void
                   1169: tty_reset(struct tty *tty)
                   1170: {
                   1171:        struct grid_cell        *gc = &tty->cell;
                   1172:
                   1173:        if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
                   1174:                return;
                   1175:
1.90      nicm     1176:        if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1       nicm     1177:                tty_putcode(tty, TTYC_RMACS);
                   1178:        tty_putcode(tty, TTYC_SGR0);
                   1179:        memcpy(gc, &grid_default_cell, sizeof *gc);
                   1180: }
                   1181:
1.40      nicm     1182: /* Set region inside pane. */
1.1       nicm     1183: void
1.39      nicm     1184: tty_region_pane(
                   1185:     struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1       nicm     1186: {
1.113     nicm     1187:        tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39      nicm     1188: }
                   1189:
1.40      nicm     1190: /* Set region at absolute position. */
1.39      nicm     1191: void
1.40      nicm     1192: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39      nicm     1193: {
                   1194:        if (tty->rlower == rlower && tty->rupper == rupper)
                   1195:                return;
1.1       nicm     1196:        if (!tty_term_has(tty->term, TTYC_CSR))
                   1197:                return;
1.39      nicm     1198:
                   1199:        tty->rupper = rupper;
                   1200:        tty->rlower = rlower;
1.55      nicm     1201:
                   1202:        /*
                   1203:         * Some terminals (such as PuTTY) do not correctly reset the cursor to
                   1204:         * 0,0 if it is beyond the last column (they do not reset their wrap
                   1205:         * flag so further output causes a line feed). As a workaround, do an
                   1206:         * explicit move to 0 first.
                   1207:         */
                   1208:        if (tty->cx >= tty->sx)
                   1209:                tty_cursor(tty, 0, tty->cy);
1.42      nicm     1210:
1.39      nicm     1211:        tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78      nicm     1212:        tty_cursor(tty, 0, 0);
1.1       nicm     1213: }
                   1214:
1.42      nicm     1215: /* Move cursor inside pane. */
1.1       nicm     1216: void
1.41      nicm     1217: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
                   1218: {
1.113     nicm     1219:        tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41      nicm     1220: }
                   1221:
1.42      nicm     1222: /* Move cursor to absolute position. */
1.41      nicm     1223: void
                   1224: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1       nicm     1225: {
1.42      nicm     1226:        struct tty_term *term = tty->term;
                   1227:        u_int            thisx, thisy;
                   1228:        int              change;
1.77      nicm     1229:
1.42      nicm     1230:        if (cx > tty->sx - 1)
                   1231:                cx = tty->sx - 1;
                   1232:
                   1233:        thisx = tty->cx;
                   1234:        thisy = tty->cy;
                   1235:
                   1236:        /* No change. */
                   1237:        if (cx == thisx && cy == thisy)
                   1238:                return;
                   1239:
1.43      nicm     1240:        /* Very end of the line, just use absolute movement. */
                   1241:        if (thisx > tty->sx - 1)
                   1242:                goto absolute;
                   1243:
1.42      nicm     1244:        /* Move to home position (0, 0). */
                   1245:        if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
                   1246:                tty_putcode(tty, TTYC_HOME);
                   1247:                goto out;
                   1248:        }
                   1249:
                   1250:        /* Zero on the next line. */
1.48      nicm     1251:        if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1       nicm     1252:                tty_putc(tty, '\r');
1.42      nicm     1253:                tty_putc(tty, '\n');
                   1254:                goto out;
                   1255:        }
                   1256:
1.45      nicm     1257:        /* Moving column or row. */
1.42      nicm     1258:        if (cy == thisy) {
1.45      nicm     1259:                /*
                   1260:                 * Moving column only, row staying the same.
                   1261:                 */
                   1262:
1.42      nicm     1263:                /* To left edge. */
                   1264:                if (cx == 0)    {
                   1265:                        tty_putc(tty, '\r');
                   1266:                        goto out;
                   1267:                }
                   1268:
                   1269:                /* One to the left. */
                   1270:                if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
                   1271:                        tty_putcode(tty, TTYC_CUB1);
                   1272:                        goto out;
                   1273:                }
                   1274:
                   1275:                /* One to the right. */
                   1276:                if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
                   1277:                        tty_putcode(tty, TTYC_CUF1);
                   1278:                        goto out;
                   1279:                }
                   1280:
                   1281:                /* Calculate difference. */
                   1282:                change = thisx - cx;    /* +ve left, -ve right */
                   1283:
                   1284:                /*
                   1285:                 * Use HPA if change is larger than absolute, otherwise move
                   1286:                 * the cursor with CUB/CUF.
                   1287:                 */
1.87      nicm     1288:                if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42      nicm     1289:                        tty_putcode1(tty, TTYC_HPA, cx);
                   1290:                        goto out;
                   1291:                } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
                   1292:                        tty_putcode1(tty, TTYC_CUB, change);
                   1293:                        goto out;
                   1294:                } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
                   1295:                        tty_putcode1(tty, TTYC_CUF, -change);
                   1296:                        goto out;
                   1297:                }
1.45      nicm     1298:        } else if (cx == thisx) {
                   1299:                /*
                   1300:                 * Moving row only, column staying the same.
                   1301:                 */
1.42      nicm     1302:
                   1303:                /* One above. */
1.77      nicm     1304:                if (thisy != tty->rupper &&
1.42      nicm     1305:                    cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
                   1306:                        tty_putcode(tty, TTYC_CUU1);
                   1307:                        goto out;
                   1308:                }
                   1309:
                   1310:                /* One below. */
1.49      nicm     1311:                if (thisy != tty->rlower &&
1.42      nicm     1312:                    cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
                   1313:                        tty_putcode(tty, TTYC_CUD1);
                   1314:                        goto out;
                   1315:                }
                   1316:
                   1317:                /* Calculate difference. */
                   1318:                change = thisy - cy;    /* +ve up, -ve down */
                   1319:
                   1320:                /*
1.77      nicm     1321:                 * Try to use VPA if change is larger than absolute or if this
                   1322:                 * change would cross the scroll region, otherwise use CUU/CUD.
1.42      nicm     1323:                 */
1.87      nicm     1324:                if ((u_int) abs(change) > cy ||
1.42      nicm     1325:                    (change < 0 && cy - change > tty->rlower) ||
1.44      nicm     1326:                    (change > 0 && cy - change < tty->rupper)) {
                   1327:                            if (tty_term_has(term, TTYC_VPA)) {
                   1328:                                    tty_putcode1(tty, TTYC_VPA, cy);
                   1329:                                    goto out;
                   1330:                            }
1.42      nicm     1331:                } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
                   1332:                        tty_putcode1(tty, TTYC_CUU, change);
                   1333:                        goto out;
                   1334:                } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
                   1335:                        tty_putcode1(tty, TTYC_CUD, -change);
                   1336:                        goto out;
                   1337:                }
                   1338:        }
                   1339:
1.43      nicm     1340: absolute:
1.42      nicm     1341:        /* Absolute movement. */
                   1342:        tty_putcode2(tty, TTYC_CUP, cy, cx);
                   1343:
                   1344: out:
                   1345:        tty->cx = cx;
                   1346:        tty->cy = cy;
1.1       nicm     1347: }
                   1348:
                   1349: void
1.176   ! nicm     1350: tty_attributes(struct tty *tty, const struct grid_cell *gc,
        !          1351:     const struct window_pane *wp)
1.1       nicm     1352: {
1.63      nicm     1353:        struct grid_cell        *tc = &tty->cell, gc2;
1.85      nicm     1354:        u_char                   changed;
1.61      nicm     1355:
1.85      nicm     1356:        memcpy(&gc2, gc, sizeof gc2);
1.176   ! nicm     1357:        tty_default_colours(&gc2, wp);
1.63      nicm     1358:
1.18      nicm     1359:        /*
                   1360:         * If no setab, try to use the reverse attribute as a best-effort for a
                   1361:         * non-default background. This is a bit of a hack but it doesn't do
                   1362:         * any serious harm and makes a couple of applications happier.
                   1363:         */
                   1364:        if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85      nicm     1365:                if (gc2.attr & GRID_ATTR_REVERSE) {
                   1366:                        if (gc2.fg != 7 && gc2.fg != 8)
1.64      nicm     1367:                                gc2.attr &= ~GRID_ATTR_REVERSE;
1.18      nicm     1368:                } else {
1.85      nicm     1369:                        if (gc2.bg != 0 && gc2.bg != 8)
1.64      nicm     1370:                                gc2.attr |= GRID_ATTR_REVERSE;
1.18      nicm     1371:                }
                   1372:        }
1.1       nicm     1373:
1.85      nicm     1374:        /* Fix up the colours if necessary. */
                   1375:        tty_check_fg(tty, &gc2);
                   1376:        tty_check_bg(tty, &gc2);
                   1377:
1.64      nicm     1378:        /* If any bits are being cleared, reset everything. */
1.85      nicm     1379:        if (tc->attr & ~gc2.attr)
1.64      nicm     1380:                tty_reset(tty);
                   1381:
                   1382:        /*
                   1383:         * Set the colours. This may call tty_reset() (so it comes next) and
                   1384:         * may add to (NOT remove) the desired attributes by changing new_attr.
                   1385:         */
1.85      nicm     1386:        tty_colours(tty, &gc2);
1.64      nicm     1387:
1.1       nicm     1388:        /* Filter out attribute bits already set. */
1.85      nicm     1389:        changed = gc2.attr & ~tc->attr;
                   1390:        tc->attr = gc2.attr;
1.1       nicm     1391:
                   1392:        /* Set the attributes. */
                   1393:        if (changed & GRID_ATTR_BRIGHT)
                   1394:                tty_putcode(tty, TTYC_BOLD);
                   1395:        if (changed & GRID_ATTR_DIM)
                   1396:                tty_putcode(tty, TTYC_DIM);
1.164     nicm     1397:        if (changed & GRID_ATTR_ITALICS) {
1.104     nicm     1398:                if (tty_term_has(tty->term, TTYC_SITM))
                   1399:                        tty_putcode(tty, TTYC_SITM);
                   1400:                else
                   1401:                        tty_putcode(tty, TTYC_SMSO);
                   1402:        }
1.1       nicm     1403:        if (changed & GRID_ATTR_UNDERSCORE)
                   1404:                tty_putcode(tty, TTYC_SMUL);
                   1405:        if (changed & GRID_ATTR_BLINK)
                   1406:                tty_putcode(tty, TTYC_BLINK);
                   1407:        if (changed & GRID_ATTR_REVERSE) {
                   1408:                if (tty_term_has(tty->term, TTYC_REV))
                   1409:                        tty_putcode(tty, TTYC_REV);
                   1410:                else if (tty_term_has(tty->term, TTYC_SMSO))
                   1411:                        tty_putcode(tty, TTYC_SMSO);
                   1412:        }
                   1413:        if (changed & GRID_ATTR_HIDDEN)
                   1414:                tty_putcode(tty, TTYC_INVIS);
1.90      nicm     1415:        if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1       nicm     1416:                tty_putcode(tty, TTYC_SMACS);
                   1417: }
                   1418:
1.61      nicm     1419: void
1.85      nicm     1420: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1       nicm     1421: {
1.61      nicm     1422:        struct grid_cell        *tc = &tty->cell;
1.62      nicm     1423:        u_char                   fg = gc->fg, bg = gc->bg, flags = gc->flags;
                   1424:        int                      have_ax, fg_default, bg_default;
1.61      nicm     1425:
                   1426:        /* No changes? Nothing is necessary. */
1.62      nicm     1427:        if (fg == tc->fg && bg == tc->bg &&
                   1428:            ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63      nicm     1429:                return;
1.1       nicm     1430:
1.61      nicm     1431:        /*
                   1432:         * Is either the default colour? This is handled specially because the
                   1433:         * best solution might be to reset both colours to default, in which
                   1434:         * case if only one is default need to fall onward to set the other
                   1435:         * colour.
                   1436:         */
1.62      nicm     1437:        fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
                   1438:        bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61      nicm     1439:        if (fg_default || bg_default) {
                   1440:                /*
                   1441:                 * If don't have AX but do have op, send sgr0 (op can't
                   1442:                 * actually be used because it is sometimes the same as sgr0
                   1443:                 * and sometimes isn't). This resets both colours to default.
                   1444:                 *
                   1445:                 * Otherwise, try to set the default colour only as needed.
                   1446:                 */
1.174     nicm     1447:                have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61      nicm     1448:                if (!have_ax && tty_term_has(tty->term, TTYC_OP))
                   1449:                        tty_reset(tty);
                   1450:                else {
                   1451:                        if (fg_default &&
1.81      nicm     1452:                            (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61      nicm     1453:                                if (have_ax)
                   1454:                                        tty_puts(tty, "\033[39m");
1.81      nicm     1455:                                else if (tc->fg != 7 ||
                   1456:                                    tc->flags & GRID_FLAG_FG256)
1.61      nicm     1457:                                        tty_putcode1(tty, TTYC_SETAF, 7);
                   1458:                                tc->fg = 8;
                   1459:                                tc->flags &= ~GRID_FLAG_FG256;
                   1460:                        }
                   1461:                        if (bg_default &&
1.81      nicm     1462:                            (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77      nicm     1463:                                if (have_ax)
1.61      nicm     1464:                                        tty_puts(tty, "\033[49m");
1.81      nicm     1465:                                else if (tc->bg != 0 ||
                   1466:                                    tc->flags & GRID_FLAG_BG256)
1.61      nicm     1467:                                        tty_putcode1(tty, TTYC_SETAB, 0);
                   1468:                                tc->bg = 8;
                   1469:                                tc->flags &= ~GRID_FLAG_BG256;
                   1470:                        }
                   1471:                }
                   1472:        }
1.1       nicm     1473:
1.61      nicm     1474:        /* Set the foreground colour. */
                   1475:        if (!fg_default && (fg != tc->fg ||
1.62      nicm     1476:            ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85      nicm     1477:                tty_colours_fg(tty, gc);
1.1       nicm     1478:
1.61      nicm     1479:        /*
                   1480:         * Set the background colour. This must come after the foreground as
                   1481:         * tty_colour_fg() can call tty_reset().
                   1482:         */
                   1483:        if (!bg_default && (bg != tc->bg ||
1.62      nicm     1484:            ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73      nicm     1485:                tty_colours_bg(tty, gc);
1.1       nicm     1486: }
                   1487:
                   1488: void
1.85      nicm     1489: tty_check_fg(struct tty *tty, struct grid_cell *gc)
                   1490: {
                   1491:        u_int   colours;
                   1492:
1.175     nicm     1493:        colours = tty_term_number(tty->term, TTYC_COLORS);
                   1494:
1.85      nicm     1495:        /* Is this a 256-colour colour? */
                   1496:        if (gc->flags & GRID_FLAG_FG256) {
                   1497:                /* And not a 256 colour mode? */
1.158     nicm     1498:                if (!(tty->term->flags & TERM_256COLOURS) &&
1.85      nicm     1499:                    !(tty->term_flags & TERM_256COLOURS)) {
                   1500:                        gc->fg = colour_256to16(gc->fg);
                   1501:                        if (gc->fg & 8) {
                   1502:                                gc->fg &= 7;
1.175     nicm     1503:                                if (colours >= 16)
                   1504:                                        gc->fg += 90;
                   1505:                                else
                   1506:                                        gc->attr |= GRID_ATTR_BRIGHT;
1.85      nicm     1507:                        } else
                   1508:                                gc->attr &= ~GRID_ATTR_BRIGHT;
                   1509:                        gc->flags &= ~GRID_FLAG_FG256;
                   1510:                }
                   1511:                return;
                   1512:        }
                   1513:
                   1514:        /* Is this an aixterm colour? */
                   1515:        if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
                   1516:                gc->fg -= 90;
                   1517:                gc->attr |= GRID_ATTR_BRIGHT;
                   1518:        }
                   1519: }
                   1520:
                   1521: void
                   1522: tty_check_bg(struct tty *tty, struct grid_cell *gc)
                   1523: {
                   1524:        u_int   colours;
                   1525:
1.175     nicm     1526:        colours = tty_term_number(tty->term, TTYC_COLORS);
                   1527:
1.85      nicm     1528:        /* Is this a 256-colour colour? */
                   1529:        if (gc->flags & GRID_FLAG_BG256) {
                   1530:                /*
                   1531:                 * And not a 256 colour mode? Translate to 16-colour
                   1532:                 * palette. Bold background doesn't exist portably, so just
                   1533:                 * discard the bold bit if set.
                   1534:                 */
1.158     nicm     1535:                if (!(tty->term->flags & TERM_256COLOURS) &&
1.85      nicm     1536:                    !(tty->term_flags & TERM_256COLOURS)) {
                   1537:                        gc->bg = colour_256to16(gc->bg);
1.175     nicm     1538:                        if (gc->bg & 8) {
1.85      nicm     1539:                                gc->bg &= 7;
1.175     nicm     1540:                                if (colours >= 16)
                   1541:                                        gc->fg += 90;
                   1542:                        }
1.85      nicm     1543:                        gc->flags &= ~GRID_FLAG_BG256;
                   1544:                }
                   1545:                return;
                   1546:        }
                   1547:
                   1548:        /* Is this an aixterm colour? */
1.175     nicm     1549:        if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85      nicm     1550:                gc->bg -= 90;
                   1551: }
                   1552:
                   1553: void
                   1554: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1       nicm     1555: {
1.61      nicm     1556:        struct grid_cell        *tc = &tty->cell;
                   1557:        u_char                   fg = gc->fg;
1.79      nicm     1558:        char                     s[32];
1.1       nicm     1559:
1.61      nicm     1560:        /* Is this a 256-colour colour? */
1.1       nicm     1561:        if (gc->flags & GRID_FLAG_FG256) {
1.158     nicm     1562:                /* Try as 256 colours. */
1.1       nicm     1563:                if (tty_try_256(tty, fg, "38") == 0)
1.61      nicm     1564:                        goto save_fg;
1.85      nicm     1565:                /* Else already handled by tty_check_fg. */
                   1566:                return;
1.1       nicm     1567:        }
                   1568:
1.79      nicm     1569:        /* Is this an aixterm bright colour? */
                   1570:        if (fg >= 90 && fg <= 97) {
1.85      nicm     1571:                xsnprintf(s, sizeof s, "\033[%dm", fg);
                   1572:                tty_puts(tty, s);
                   1573:                goto save_fg;
1.79      nicm     1574:        }
                   1575:
1.61      nicm     1576:        /* Otherwise set the foreground colour. */
                   1577:        tty_putcode1(tty, TTYC_SETAF, fg);
                   1578:
1.77      nicm     1579: save_fg:
1.61      nicm     1580:        /* Save the new values in the terminal current cell. */
                   1581:        tc->fg = fg;
                   1582:        tc->flags &= ~GRID_FLAG_FG256;
                   1583:        tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1       nicm     1584: }
                   1585:
                   1586: void
1.73      nicm     1587: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1       nicm     1588: {
1.61      nicm     1589:        struct grid_cell        *tc = &tty->cell;
                   1590:        u_char                   bg = gc->bg;
1.79      nicm     1591:        char                     s[32];
1.1       nicm     1592:
1.61      nicm     1593:        /* Is this a 256-colour colour? */
1.1       nicm     1594:        if (gc->flags & GRID_FLAG_BG256) {
1.158     nicm     1595:                /* Try as 256 colours. */
1.1       nicm     1596:                if (tty_try_256(tty, bg, "48") == 0)
1.61      nicm     1597:                        goto save_bg;
1.85      nicm     1598:                /* Else already handled by tty_check_bg. */
                   1599:                return;
1.79      nicm     1600:        }
                   1601:
                   1602:        /* Is this an aixterm bright colour? */
1.112     nicm     1603:        if (bg >= 90 && bg <= 97) {
1.175     nicm     1604:                xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
                   1605:                tty_puts(tty, s);
                   1606:                goto save_bg;
1.1       nicm     1607:        }
                   1608:
1.61      nicm     1609:        /* Otherwise set the background colour. */
                   1610:        tty_putcode1(tty, TTYC_SETAB, bg);
                   1611:
                   1612: save_bg:
                   1613:        /* Save the new values in the terminal current cell. */
                   1614:        tc->bg = bg;
                   1615:        tc->flags &= ~GRID_FLAG_BG256;
                   1616:        tc->flags |= gc->flags & GRID_FLAG_BG256;
                   1617: }
                   1618:
                   1619: int
                   1620: tty_try_256(struct tty *tty, u_char colour, const char *type)
                   1621: {
                   1622:        char    s[32];
                   1623:
1.165     nicm     1624:        /*
                   1625:         * If the terminfo entry has 256 colours, assume that setaf and setab
                   1626:         * work correctly.
                   1627:         */
                   1628:        if (tty->term->flags & TERM_256COLOURS) {
                   1629:                if (*type == '3')
                   1630:                        tty_putcode1(tty, TTYC_SETAF, colour);
                   1631:                else
                   1632:                        tty_putcode1(tty, TTYC_SETAB, colour);
                   1633:                return (0);
                   1634:        }
                   1635:
                   1636:        /*
                   1637:         * If the user has specified -2 to the client, setaf and setab may not
                   1638:         * work, so send the usual sequence.
                   1639:         */
                   1640:        if (tty->term_flags & TERM_256COLOURS) {
                   1641:                xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
                   1642:                tty_puts(tty, s);
                   1643:                return (0);
                   1644:        }
1.61      nicm     1645:
1.165     nicm     1646:        return (-1);
1.176   ! nicm     1647: }
        !          1648:
        !          1649: void
        !          1650: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
        !          1651: {
        !          1652:        const struct grid_cell        *agc, *pgc, *wgc;
        !          1653:
        !          1654:        if (wp == NULL)
        !          1655:                return;
        !          1656:
        !          1657:        pgc = &wp->colgc;
        !          1658:        agc = options_get_style(&wp->window->options, "window-active-style");
        !          1659:        wgc = options_get_style(&wp->window->options, "window-style");
        !          1660:
        !          1661:        if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
        !          1662:                if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
        !          1663:                        gc->fg = pgc->fg;
        !          1664:                        gc->flags |= (pgc->flags & GRID_FLAG_FG256);
        !          1665:                } else if (wp == wp->window->active &&
        !          1666:                    (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
        !          1667:                        gc->fg = agc->fg;
        !          1668:                        gc->flags |= (agc->flags & GRID_FLAG_FG256);
        !          1669:                } else {
        !          1670:                        gc->fg = wgc->fg;
        !          1671:                        gc->flags |= (wgc->flags & GRID_FLAG_FG256);
        !          1672:                }
        !          1673:        }
        !          1674:
        !          1675:        if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
        !          1676:                if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
        !          1677:                        gc->bg = pgc->bg;
        !          1678:                        gc->flags |= (pgc->flags & GRID_FLAG_BG256);
        !          1679:                } else if (wp == wp->window->active &&
        !          1680:                    (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
        !          1681:                        gc->bg = agc->bg;
        !          1682:                        gc->flags |= (agc->flags & GRID_FLAG_BG256);
        !          1683:                } else {
        !          1684:                        gc->bg = wgc->bg;
        !          1685:                        gc->flags |= (wgc->flags & GRID_FLAG_BG256);
        !          1686:                }
        !          1687:        }
1.110     nicm     1688: }
                   1689:
                   1690: void
                   1691: tty_bell(struct tty *tty)
                   1692: {
                   1693:        tty_putcode(tty, TTYC_BEL);
1.1       nicm     1694: }